Breaking News:
On day 4 of the 'uber update' not only was the 'Meet the Medic' video released (which is brilliant), but Team Fortress 2 was made FREE for everyone. Forever. The free version of the game has some small limitations, such as a smaller backpack and less crafting options- but these are really extras on top of what is a brilliant class-based online FPS. If you've never played it before- now's the time to pick it up. I know a few of us already play (Tyler, Zephy, Reave and myself), and those who didn't previously own the game are still 100% welcome to join us if we do play.
http://www.teamfortress.com/freetoplay/